TM 9-2320-280-34
14-14. HEATER/AIR-CONDITIONING CONTROL BOX REPLACEMENT (Cont'd)
NOTE
Prior to removal, tag control cables and corresponding duct door
arms for installation.
11.
Remove two screws (6), lockwashers (5), and control cables (4) from air inlet duct (1). Discard
lockwashers (5).
12.
Remove two push-on nuts (2) and control cables (4) from duct door arms (3). Discard push-on nuts (2).
13.
Remove two capscrews (14) and lockwashers (13) from plate (8) and evaporator duct (7). Discard
lockwashers (13).
14.
Remove two screws (10), lockwashers (9), and plate (8) from evaporator duct (7). Discard
lockwashers (9).
15.
Remove screw (12), lockwasher (15), and control cable (16) from evaporator duct (7). Discard
lockwasher (15).
16.
Remove push-on nut (11) and control cable (16) from evaporator duct door (17) and disconnect
control cable (16) and pull through grommet (18). Discard push-on nut (11).
17.
Remove four screws (24), lockwashers (25), and cover (23) from circuit box (33). Discard
lockwashers (25).
18.
Remove four screws (28) and control box leads (27) from terminal block (19).
19.
Remove assembled locknut (31), clamp (30), and control box harness (29) from screw (32). Discard
assembled locknut (31).
20.
Remove six screws (21), lockwashers (20), and control box (22) from body (26). Discard
lockwashers (20).
CAUTION
Use care when removing control box. Snagging or pulling may
damage harness.
21.
Slowly remove control box (22), being careful not to snag any cables or leads.
b. Installation
CAUTION
Use care when installing harness. Snagging or pulling may
damage harness.
1.
Install control box (22) on body (26) while routing cables and leads to approximate mounting
positions.
2.
Install control box (22) on body (26) with six lockwashers (20) and screws (21).
3.
Install clamp (30) on control box harness (29) and circuit box screw (32) with assembled locknut (31).
4.
Install control box leads (27) on terminal block (19) with four screws (28).
5.
Install cover (23) on circuit box (33) with four lockwashers (25) and screws (24).
6.
Route control cable (16) through grommet (18) in evaporator duct (7).
7.
Install control cable (16) on evaporator duct door (17) with push-on nut (11).
8.
Install control cable (16) on evaporator duct (7) with lockwasher (15) and screw (12).
9.
Install plate (8) on evaporator duct (7) with two lockwashers (9), screws (10), lockwashers (13), and
capscrews (14).
10.
Connect two control cables (4) on duct door arms (3) with two push-on nuts (2).
11.
Install control cables (4) on air inlet duct (1) with two lockwashers (5) and screws (6).
Change 2
